507421664 has 24 divisors (see below), whose sum is σ = 1013061168. Its totient is φ = 250136320.

The previous prime is 507421639. The next prime is 507421679. The reversal of 507421664 is 466124705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109397 + ... + 113940.

It is an arithmetic number, because the mean of its divisors is an integer number (42210882).

Almost surely, 2^507421664 is an apocalyptic number.

It is an amenable number.

507421664 is a deficient number, since it is larger than the sum of its proper divisors (505639504).

507421664 is a wasteful number, since it uses less digits than its factorization.

507421664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223418 (or 223410 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 507421664 is about 22526.0219302033. The cubic root of 507421664 is about 797.6083068805.

The spelling of 507421664 in words is "five hundred seven million, four hundred twenty-one thousand, six hundred sixty-four".